78870160

素因数分解:

$2^4\times 5^1\times {\mathrm{985877}}^1$

素因数の和:985890

約数の個数: 20

約数和(自身を含む): 183373308

約数和(自身を除く): 104503148

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 985877, 1971754, 3943508, 4929385, 7887016, 9858770, 15774032, 19717540, 39435080, 78870160]

約数ペア:

[(1, 78870160), (2, 39435080), (4, 19717540), (5, 15774032), (8, 9858770), (10, 7887016), (16, 4929385), (20, 3943508), (40, 1971754), (80, 985877)]